Triple

T9098975
Position Surface form Disambiguated ID Type / Status
Subject Measure M (Los Angeles County) E218100 entity
Predicate implementedBy P172 FINISHED
Object Metro (Los Angeles County Metropolitan Transportation Authority) E2263 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Metro (Los Angeles County Metropolitan Transportation Authority) | Statement: [Measure M (Los Angeles County), implementedBy, Metro (Los Angeles County Metropolitan Transportation Authority)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro (Los Angeles County Metropolitan Transportation Authority)
Context triple: [Measure M (Los Angeles County), implementedBy, Metro (Los Angeles County Metropolitan Transportation Authority)]
  • A. Los Angeles County Metropolitan Transportation Authority chosen
    The Los Angeles County Metropolitan Transportation Authority is the primary public transit agency for Los Angeles County, operating and overseeing the region’s bus and rail systems.
  • B. Los Angeles Metro Rail
    Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
  • C. Los Angeles Metro fare system
    The Los Angeles Metro fare system is the integrated payment and ticketing framework used across the Los Angeles County Metropolitan Transportation Authority’s buses and rail services, including Metro Rapid lines like the 720.
  • D. Metropolitan Transit Authority
    The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
  • E. Rio Metro Regional Transit District
    Rio Metro Regional Transit District is a public transportation agency in central New Mexico that oversees regional commuter rail and bus services, including the New Mexico Rail Runner Express.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca83d9844081908e561e367fda6d45 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc9710ac04819096b9c8d3399b9c35 completed April 1, 2026, 3:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69d01824ee2081909cc5e6ae33fab2e5 completed April 3, 2026, 7:42 p.m.
Created at: March 30, 2026, 7:15 p.m.